262580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 581280

約数和(自身を除く): 318700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 691, 1382, 2764, 3455, 6910, 13129, 13820, 26258, 52516, 65645, 131290, 262580]

約数ペア:

[(1, 262580), (2, 131290), (4, 65645), (5, 52516), (10, 26258), (19, 13820), (20, 13129), (38, 6910), (76, 3455), (95, 2764), (190, 1382), (380, 691)]